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Home Q & A Board Science-Related Homework Help Physics
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GollumOfOz GollumOfOz
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7 years ago
A worker lifts a 20.0-kg bucket of concrete from the ground up to the top of a 20.0-m tall building. The bucket is initially at rest, but is traveling at 4.0 m/s when it reaches the top of the building.  What is the minimum amount of work that the worker did in lifting the bucket?
A) 3.92 kJ
B) 400 J
C) 560 J
D) 4.08 kJ
E) 160 J
Textbook 
Principles & Practice of Physics

Principles & Practice of Physics


Edition: 1st
Author:
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alblovealblove
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#1
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7 years ago
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GollumOfOz Author
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7 years ago
Good timing, thanks!
GeorgeNeist
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Yesterday
Smart ... Thanks!
deathwing
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2 hours ago
Helped a lot
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